Etymology in the sources
Source-reportedDe rád (« heureux ») avec le suffixe -ek.
Sources for this account (6)
- French Wiktionary: RadekCC-BY-SA-4.0 · retrieved 2026-10-14
- Wikidata Q19818093CC0-1.0 · retrieved 2026-10-15
- Wiktionary: RadekCC-BY-SA-4.0 · retrieved 2026-10-15
- Greek Wiktionary: RadekCC-BY-SA-4.0 · retrieved 2026-10-15
- Polish Wiktionary: RadekCC-BY-SA-4.0 · retrieved 2026-10-14
- Chinese Wiktionary: RadekCC-BY-SA-4.0 · retrieved 2026-10-14

